Annual; stems slender, 2-3 cm long, erect, forming small tufts. Lvs subsessile, 2-4 × 0.8-2 mm, eglandular, ovate or elliptic-ovate; base narrow-cuneate; apex apiculate. Fls solitary. Pedicels very short, elongating little at fruiting. Calyx 2-2.5 mm long; lobes lanceolate, acuminate; margins herbaceous and green. Corolla c. 1.5-2 mm long, white or pale pink, eglandular; lobes probably ovate and entire. Stamens very short; filaments > anthers. Capsule c. 1.5 mm diam., < calyx lobes, pinkish just before maturity; style persistent. Seeds c. 0.4 mm long, slightly reticulate, angular, oblong-ellipsoid.